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Sand Coreopsis (Coreopsis lanceolata)
Photo © Robert H. Read
Life history
Species overview
Sand Coreopsis (Coreopsis lanceolata), a Wisconsin Special Concern plant, is found on sand dunes and old beach ridges near Lake Michigan. Blooming occurs from April to June. The optimal identification period for this species is .
Synonyms: Coreopsis lanceolata var. lanceolata, Coreopsis lanceolata var. villosa
Identification
- Distinguishing characteristics: Distinguished from var. villosa by its mostly glabrous stem and leaves.
- Flower characteristics: Inflorescence of up to a few heads on long, naked peduncles; disk yellow, 1 to 2 cm wide, inner bracts longer and broader than outer; ray flowers 6 to 10, yellow, 1 to 3 cm long, notched.
- Fruit characteristics: Achenes 2 to 3mm long, winged, orbicular; pappus 2 short barbs.
- Leaf characteristics: Alternate, mostly around base, linear to lance-linear, simple or rarely with up to 2 lateral lobes; lower leaves with petioles; upper leaves sessile
Phenology
- Blooming phenology: April to June
- Fruiting phenology:
- Optimum time to identify: The optimal identification period for this species is
Other
- Growth form: Erect forb
- Vegetative reproduction:
- Life cycle: Perennial
- Comments: Associates include: Pinus banksiana, P. resinosa, P. strobus, Picea glauca, Juniperus communis var. depressa, Juniperus horizontalis, Shepherdia canadensis, Arctostaphylos uva-ursi, Ammophila breviligulata, Smilacina stellata, Arabis lyrata, Lilium philadelphicum.
State status
Status and Natural Heritage Inventory documented occurrences in Wisconsin
The table below provides information about the protected status - state and federal - and the rank (S and G Ranks) for Sand Coreopsis (Coreopsis lanceolata). See the Working List Key for more information about abbreviations. Counties shaded blue have documented occurrences for this species in the Wisconsin Natural Heritage Inventory database. The map is provided as a general reference of where this species has been found to date and is not meant as a range map.
| Summary Information | |
|---|---|
| State Status | SC |
| Federal Status in Wisconsin | none |
| State Rank | S2 |
| Global Rank | G5 |
| Tracked by NHI | Y |
Habitats and landscapes
The Natural Heritage Inventory has developed scores indicating the degree to which each of Wisconsin's rare plant species is associated with a particular natural community or ecological landscape. This information is similar to that found in the Wildlife Action Plan for animals. As this is a work in progress, we welcome your suggestions and feedback.
General habitat information
- Habitat description: Found on sand dunes and old beach ridges near Lake Michigan.
- Soils: Sandy soils.
Natural communities
This table lists the natural communities that are associated with Sand Coreopsis. Scores for natural community associations are: "significant" association (score=3), "moderate association" (score=2) or the species can be present but is only weakly associated with the community (score=1).
| Natural communities | score |
|---|---|
| Great Lakes Ridge and Swale | 2 |
| Great Lakes Dune | 3 |
Ecological landscapes
This table lists the ecological landscape association scores for Sand Coreopsis. The scores (3=High, 2=Moderate, 1=Low, 0=None) also correspond to the map.
| Ecological landscape | score |
|---|---|
| Central Lake Michigan Coastal | 3 |
| Central Sand Hills | 1 |
| Northern Lake Michigan Coastal | 3 |
Species guidance
The Endangered Resources Program has developed avoidance measures and management guidelines for plants on the Natural Heritage Working List. These are a work in progress, and we welcome your suggestions and feedback. Sources used in developing this information can be found here.
Avoidance measures
These are specific actions designed to avoid "take" (mortality) of this species.
- No avoidance measures have been developed for this species.
Management guidance
Management guidelines are additional considerations that may help maintain or enhance habitat for this species
- Avoid any activities which destabilize the dune, including the use of off-road vehicles, removal of native vegetation and pedestrian recreational overuse.
- Minimize disturbance to hydrology, including soil disturbance from rutting.
- Avoid disturbance to shorelines and the forest-beach interface.
Other resources
Links to additional Sand Coreopsis information
Other links related to vascular plants (all exit the DNR website)
- Wisconsin Flora
- NatureServe Explorer
- Atlas of Wisconsin Prairie and Savanna Flora - Wisconsin State Herbarium
- USDA - NRCS Plants Database
- USGS Midwestern Wetland Flora - field office guide to plant species
- eFloras
- Cofrin Center for Biodiversity Herbarium
- Intermountain Herbarium Grasses of North America
- Orchids of Wisconsin
Photos
Click to view a larger version. Please considering donating a photo to the Natural Heritage Conservation Program for educational uses. Photo use
-
Photo © Steve Hurst.
-
Chiwaukee.
Photo © Robert H. Read.
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Crowley.
Photo © Kitty Kohout.
Support for Wisconsin's rare plant information has been provided by the Division of Forestry, the Endangered Resources Fund and the Wisconsin Rare Plant Preservation Fund. To donate, visit the Natural Resources Foundation of Wisconsin [exit DNR].
